M. Taub: The Respiratory System
Across
- 2. prevents food from entering the trachea
- 4. bones protecting the lungs
- 7. a muscle that helps with breathing
- 9. the trachea splits into the left and right ____
- 10. 🫁
- 12. the scientific name for "throat"
- 13. includes both the mouth and the nose
- 15. the gas that we breath in
- 16. the "little sacs" where gas exchange happens
- 17. these cells produce mucus
- 18. when we breathe out
Down
- 1. the smallest, thinnest type of blood vessel
- 3. oxygen moves from high concentration to low concentration
- 5. the gas that we breath out
- 6. the bronchuss splits into smaller branches called ____
- 8. sweep mucus out of the lungs (hair like)
- 11. the scientific name for "windpipe"
- 14. when we breathe in